Theengineer______myfatherworksisabout50yearsold.
D
with whom 引导定语从句 .with whom 放在从句中即为 :my father works with the engineer
Johnsonwas________unknownbeforerunningforthepresidency.
Lying under the skull, the human brain contains an average of ten billion nerve cells called ______.
Lyingundertheskull,thehumanbraincontainsanaverageoftenbillionnervecellscalled______.
Well-arrangedsentencesareconsideredgrammaticalsentencesthatareformedfollowingasetofsyntacticrules.